Transistor morse-to-teleprinter code converter

When facing the objective of automatically printing radio Morse copy on a teleprinter, the necessity for both signal processing and code conversion are clear. Equipment for performing four necessary functions are herein described. This equipment must: 1. Tune the receiver automatically. 2. Process the Morse-coded signal to remove noise and distortion. 3. Convert between the Morse and teleprinter codes. 4. Drive the teleprinter